[PATCH amend] git-config: print error message if the config file cannot be read
Instead of simply exiting with 255, print an error message including the reason why a config file specified through --file cannot be opened or read.
The problem was noticed by Joey Hess, reported through
http://bugs.debian.org/445208
---
On Tue, Oct 09, 2007 at 02:16:41PM +0100, Johannes Schindelin wrote:
> On Tue, 9 Oct 2007, Gerrit Pape wrote:
> > + if (git_config(show_all_config) == -1)
> I'd rather check for < 0, just for future proofing.
Okay.
On Tue, Oct 09, 2007 at 03:30:46PM +0200, Johannes Sixt wrote:
Show 13 quoted lines
> Gerrit Pape schrieb:
> >+ if (show_all) {
> >+ if (git_config(show_all_config) == -1)
> >+ die("unable to read config file %s: %s",
> >+ getenv(CONFIG_ENVIRONMENT), strerror(errno));
> I don't think that this works well: If there are no config files at
> all, then we don't want to see an error - just as if the config file
> were empty.
>
> Also, I don't think that errno is reliable at this point.
>
> You probably want to see an error message *only* if you have supplied
> a file name with --file.I changed the patch to die() only if --file was sepcified, and errno is not 0.
Thanks, Gerrit.
builtin-config.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
Show changes to builtin-config.c +6 −2
diff --git a/builtin-config.c b/builtin-config.c
index 4444d52..e5bf791 100644
--- a/builtin-config.c
+++ b/builtin-config.c
@@ -172,8 +172,12 @@ int cmd_config(int argc, const char **argv, const char *prefix)
type = T_INT;
else if (!strcmp(argv[1], "--bool"))
type = T_BOOL;
- else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
- return git_config(show_all_config);
+ else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
+ if (git_config(show_all_config) < 0 && file && errno)
+ die("unable to read config file %s: %s", file,
+ strerror(errno));
+ return 0;
+ }
else if (!strcmp(argv[1], "--global")) {
char *home = getenv("HOME");
if (home) {
--
1.5.3.4